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Finding the Fourth Proportional to 587,912.34, 811,303.38 and 333,262.92

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Solution

The fourth proportional to 587,912.34, 811,303.38 and 333,262.92 is: 459,893.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,912.34 : 811,303.38 = 333,262.92 : x
  2. Step 2: Convert to fraction form
    587,912.34/811,303.38 = 333,262.92/x
  3. Step 3: Cross multiply
    587,912.34x = 811,303.38 × 333,262.92
  4. Step 4: Simplify right side
    587,912.34x = 270,377,333,424.67
  5. Step 5: Solve for x
    x = 270,377,333,424.67/587,912.34
  6. Step 6: Final answer
    x = 459,893.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.